有机玻璃管

建立有机玻璃管中流体的零维流动数学模型；

The zero dimensional mathematical model of fluid flowing through PMMA tube is established .

为了有效地设计燃气发生器降温设备中的有机玻璃管结构，在圆柱坐标系下建立试验用有机玻璃管内壁径向热降解的一维瞬态热传导数学模型；

To design effectively PMMA tube structures in temperature decreasing equipment for gas generators , one dimensional transient heat transfer mathematical model of PMMA thermal degradation is established in the radial direction of a cylinder coordinate system .

试验段为内径40mm的透明有机玻璃管。

The test section is a transparent tube made of acrylic resin with 40 mm internal diameter .

实验中所用的工质为空气和水，实验段为光滑的有机玻璃管，管长5m，内径分别为15、25和34.5mm。

In the experiments , air and water were used as flowing medium . The test sections were smooth glass tube of 5 m long , and the inside diameters were 15,25 and 34.5 mm , respectively .

用直径2cm、长10cm的陶土滤管置于内径3.5cm、高20cm的有机玻璃管中，制成一个封闭式的自动连续过滤装置。

A sealed automatic successive filtration device was formed by putting a 10 cm long clay filter pipe with diameter of 2 cm upside in a 20 cm tall organic glass tube with diameter of 3.5 cm .

有机玻璃管热降解对燃气流降温的影响

Effect on Gas Flow Temperature Decrease for Poly Tube Degradation

双笛头双笛尾有机玻璃管长笛。

Organic glass flute with double footjoints and headjoints .

实验结果表明，只要有机玻璃管的真空度能够满足要求，采用双反射镜成像系统来观测射流的形貌是可行的。

The experiment results show that observing jet appearance with the double reflecting mirrors system is feasible as long as the vacuum of the glass tube can meet the requirement of experiment .

在常温下对光滑的有机玻璃管内单相水和气-液两相泡状流在两种不同摇摆角度和3种不同摇摆周期下的摩擦压降特性展开了研究。

A series of experimental studies of frictional pressure drop for single water phase and gas-liquid two-phase bubble flow in two different rolling angles and three different rolling periods were carried out in the paper .

燃气通过有机玻璃圆管时的降温特性研究

Temperature Decrease Characteristics of Gas Flowing Through PMMA Cyclic Tubes

贫氧燃气流过有机玻璃圆管耦合传热数值模拟

Numerical simulation on coupling heat-transfer of low oxygen gas flowing through PMMA tube

通过对实验数据的分析，提出了有机玻璃棱镜导光管在体育馆照明中应用的形式。

Experimental data show that it is feasible to use the seamless prism light guide in gymnasium lighting .

为进一步拓展有机玻璃棱镜导光管的应用领域，本文还就有机玻璃棱镜导光管在体育馆照明中进行应用的可行性进行了模型实验研究。

To explore a new application field of the guide , a model experiment of the application of the guide in gymnasium lighting is introduced in this paper .

计算结果表明，有机玻璃热降解对燃气流的降温量主要决定于有机玻璃管内壁径向降解速率。

The simulation result indicates that the degree of gas flow temperature decrease caused by PMMA degradation is decided by PMMA tube interior wall degradation rate in diameter direction mainly .